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Compartment walls & cavity barriers firms in Baltimore
2 compartment walls & cavity barriers companies in Baltimore — Fire-resisting construction and cavity closure.
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Alpha Insulation & Waterproofing
FM 4991 and UL Qualified firestopping and spray fireproofing.
Contractor 100+ people Est. 1982 11 officesCompartment walls & cavity barriers Firestopping Structural fire protectionAtlanta, Georgia · HQ View firm -
ARC Firestop Solutions
FM 4991 approved firestop contractor for Maryland, DC and Virginia.
Contractor 6–20 people Est. 2008 1 officeCompartment walls & cavity barriers FirestoppingBaltimore, Maryland View firm